Autori	Titolo	Anno	Vol.	Fasc.	Pag.
YANBIN S. GARASSINO A. TERUZZI G.	Studies on Permo-Trias of Madagascar. 4. Early Triassic Conchostracans from Madagascar	2002	143	1	3
YAROSHINSKAYA A.M.	The Early Devonian and Eifelian Bryozoa from the Altai	1968	108	1	285